vigilance

noun

vig·​i·​lance ˈvi-jə-lən(t)s How to pronounce vigilance (audio)
Synonyms of vigilancenext
: the quality or state of being vigilant

Examples of vigilance in a Sentence

eternal vigilance is the price of freedom
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Implementation will require vigilance, coordination, and enforcement on an unprecedented scale. Melissa Cristina Márquez, Forbes.com, 19 Jan. 2026 Children are born into vulnerability and mothers into vigilance; and even then our best may not be good enough. Rebecca Mead, New Yorker, 19 Jan. 2026 That vigilance was not misplaced. Clarence Page, Chicago Tribune, 18 Jan. 2026 Meanwhile, habitual daytime light exposure – consistent across the seven days – was tied to faster reaction times on the vigilance task and fewer errors in the tests measuring working memory and visual search skills. New Atlas, 17 Jan. 2026 See All Example Sentences for vigilance

Word History

First Known Use

1533, in the meaning defined above

Time Traveler
The first known use of vigilance was in 1533

Browse Nearby Words

Cite this Entry

“Vigilance.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/vigilance. Accessed 28 Jan. 2026.

Kids Definition

vigilance

noun
vig·​i·​lance ˈvij-ə-lən(t)s How to pronounce vigilance (audio)
: the quality or state of being vigilant

Medical Definition

vigilance

noun
vig·​i·​lance ˈvij-ə-lən(t)s How to pronounce vigilance (audio)
: the quality or state of being wakeful and alert : degree of wakefulness or responsiveness to stimuli
vigilant adjective

More from Merriam-Webster on vigilance

Last Updated: - Updated example sentences
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